A clarinet is 66.0cm long. A flute is nearly the same length, with 63.6cm between the hole the player blows across and the end of the flute. Take the speed of sound in warm air to be 350 m/s. a. Is a clarinet an open-open tube or an open-closed tube? What about the flute? b. What are the frequencies of the lowest note and the next higher harmonic on a flute? f₁ = 275 Hz, f₂ = 550 Hz c. What are the frequencies of the lowest note and the next higher harmonic on a clarinet? Ligature Mouthpiece f₁ = 133 Hz, f₂ = 399 Hz Reed -Attachment screw Single reed
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- A piano string has a length of 0.4 m and a mass of 3.00x10^3 kg. A piano tuner adjusts the string tension to 800 N. a) What is the speed of the wave on the string? b) What is the fundamental frequency of the string?Your experiments on a particular insulator indicate that at 20°C, the average speed of sound in the insulator is vi = 8500 m/s and its bulk modulus is Bi = 370 GPa. Experimental results from your colleague show that a certain metal alloy has a density of ρm = 6500 kg/m3 and a bulk modulus of Bm = 110 GPa. a. Calculate the density of the insulator ρi in kilograms per cubic meter. b. Calculate the speed of sound vm in the metal alloy in meters per second. c. If the sound traveled as indicated in the structure in figure 1, emerging from the insulator at time ti and the alloy at time tm, determine Δt = tm - ti in seconds. The length of the structure is L = 1.0 m. d. Find the total amount of time t, in seconds, it takes to travel through the structure as indicated in figure 2. The length of the structure is L = 1.0 m.A string is fixed at both ends. The mass of the string is 0.0010 kg and the length is 4 m. The string is under a tension of 180 N. The string is driven by a variable frequency source to produce standing waves on the string. Find the wavelengths and frequencies of the first four modes of standing waves. a. A1 = fi = Hz b. A2 = m f2 = Hz c. A3 = m f3 Hz %3D d. X4 = m fa = Hz
- A 38.0-Hz sound wave is barely audible at a sound intensity level of 60.0 dB. The density of air at 20.0°C is 1.20 kg/m3. Speed of sound in air at 20.0°C is 343 m/s. What is the displacement amplitude of a 38.0-Hz sound wave? What is the ratio of the displacement amplitude to the average distance between molecules in air at room temperature, about 3.00 nm?60. What is the length of an open end air column that would resonate in the first harmonic at 262 Hz when the speed of sound is 345 m/s? A. .33 metersB. 1.32 metersC. .77 metersD. .66 metersA transverse sine wave is moving in the positive x direstion along a string stretched on the x axis. The wave has frequency 440 Hz and wavelength 0.341 m. The string has linear density 0.0032 kg/m. The amplitude in the y direction is 0.006 m. a. Find the velocity of the wave. b. Find the tension in the string. c. Find the maximum velocity of a small section of the string. d. Find the maximum acceleration of a small section of the string.
- I'm not sure how to solve this type of problem. Detailed steps would be very helpful, please. The intensity of a sound wave is 100 W/m2 at a distance of 3 m. a. What is the intensity of the sound wave at a distance of 6 m? b. What is the intensity at 9 m?a. A wooden flute, open at both ends, is 0.5 m long. Determine its fundamental vibration frequency assuming the speed of sound in air is 340 m/s b. How far from one end should a finger hole be placed to produce a sound whose frequency is 44 times that calculated in the first part.A string of length L=1.68 m is attached at both ends. The string is parallel to an x-axis and extends from x=0 to x=L. The speed of waves on this string is v= 285.6m/s. For 3. standing waves: a. What is the wavelength of the fundamental mode (n=1 mode), 4 ? b. Whatis the frequency of the fifth harmonic, f;? c. Draw the envelopes of the string displacement wave function for the first three harmonics and label each node with the letter 'N' and antinode with letter 'A'. Please make three separate drawings. d. For the third harmonic, n=3 , what are the three x values where the transverse speed of the string is a maximum, X, Xm2, X3 compared to other xlocations? e. For this string oscillating in the third harmonic (n=3), with a maximum deviation from equilibrium of 2y. = 0.280 cm at points x= xml,X =Xm2,X= X3 , what is the maximum (positive) transverse speed of the string (speed perpendicular to the direction of the string), Max(u,(xmt)) ?
- The denizens of a distant planet live under an atmosphere made predominately of CO2, which is a dispersive medium. While attending a concert, which of the following would be true for a spectator seated in the back of a large amphitheatre? I. They would hear the low notes and high notes at the same time. II. They would hear the low notes and high notes at different times. III. They would hear nothing because sound can't propagate in CO2.8. A "G" on a guitar has a frequency of about 196Hz. To raise the note to a "B" at 247 Hz, what length would the string have to be shortened to? Assume the original string is 1.0m long.The pan flute is a musical instrument consisting of a number of closed-end tubes of different lengths. When the musician blows over the open ends, each tube plays a different note. The longest pipe is 0.33 m long. What is the frequency of the note it plays?